CN114669645B

CN114669645B - Clamp base for numerical control punch

Info

Publication number: CN114669645B
Application number: CN202210344437.1A
Authority: CN
Inventors: 沈丹
Original assignee: Chongqing Lijian Industry Co ltd
Current assignee: Chongqing Lijian Industry Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-09-22
Anticipated expiration: 2042-03-31
Also published as: CN114669645A

Abstract

The invention discloses a clamp base for a numerical control punch, which comprises a base with an upward concave-shaped opening section, wherein the inner side wall of the base is slidably connected with a bottom plate and a functional block, a first spring is fixedly connected between the bottom plate and the functional block, the lower surface of the functional block is fixedly connected with a sliding column, the sliding column is in penetrating sliding connection with the bottom plate, the lower surface of the sliding column is fixedly connected with a first plate, and a buffer mechanism for buffering impact is arranged in the base; the buffer mechanism comprises four hollow boxes, the boxes are fixedly connected with the inner bottom wall of the base, sliding sleeves penetrate through the side walls of the boxes and are fixedly connected with the side walls of the boxes, and pistons are sleeved in the sliding sleeves in a sealing sliding mode. The advantages are that: the impact force buffering device has better impact force buffering effect, can automatically change the buffering resistance according to the impact force, can protect the base and the punch more, can automatically eject the processed workpiece, avoids manual taking out, and greatly reduces the labor intensity.

Description

Clamp base for numerical control punch

Technical Field

The invention relates to the technical field of numerical control punches, in particular to a clamp base for a numerical control punch.

Background

The numerical control punch is one of common metal processing equipment, can program, logically processes a program provided with control codes or other symbol instructions through the numerical control punch, and decodes the program, so that the punch acts and processes parts.

The prior invention patent, such as a Chinese patent with the application number of CN201711391134.0, discloses a clamp base for a numerical control punch press, which mainly comprises a base mounting plate, a damping cylinder, a damping rod, a first damper, a first damping spring, a spring connecting block, a damping seat, a side stabilizing plate and the like, and can effectively buffer impact force, so that the clamp can not be damaged by vibration any more, the service life of the clamp is prolonged, and the machine tool is protected.

In this technical scheme, only carry out the buffering of impact force through spring and buffering shell fragment, its buffering effect is relatively poor, and the stiffness coefficient of spring is the fixed value, just also mean that the resistance of its buffering is the fixed value, can't carry out automatically regulated according to the size of impact force, when the great impact force of reply, its resistance is not enough, the impact force still is great, and when the impact force is less, it can't effectually cushion, the limitation is great, and base most and punch press fixed connection, the transmission to the punch press body that the vibration can be by a wide margin, cause the injury to it.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the buffering effect is general, the buffering resistance cannot be changed according to the impact force, the impact force born by a punch body is large, and the like, and provides a clamp base for a numerical control punch.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the clamp base for the numerical control punch comprises a base with an upward concave-shaped opening in cross section, wherein a bottom plate and a functional block are slidably connected to the inner side wall of the base, a first spring is fixedly connected between the bottom plate and the functional block, a sliding column is fixedly connected to the lower surface of the functional block, the sliding column is in penetrating sliding connection with the bottom plate, a first plate is fixedly connected to the lower surface of the sliding column, and a buffer mechanism for buffering impact is arranged in the base;

the buffer gear includes four hollow boxes, box and base inner bottom wall fixed connection, box lateral wall runs through fixedly connected with sliding sleeve, the piston has been cup jointed in the sliding sleeve to the sealed slip, the lateral wall that box one side was kept away from to the piston is connected with first member through the round pin axle rotation, the one end that the piston was kept away from to first member with first plate diapire is connected through the round pin axle rotation, a plurality of through-holes have been seted up to the sliding sleeve lateral wall, first sliding groove has been seted up to the through-hole lateral wall, the second plate has been cup jointed in the sealed slip in the first sliding groove, fixedly connected with second spring between second plate and the corresponding first sliding groove inside wall, four inside walls of base have all inlayed the electro-magnet, function block lower surface fixedly connected with four permanent magnetism posts, bottom plate upper surface fixedly connected with four solenoid, solenoid and corresponding electro-magnet pass through the wire electricity and be connected, sliding sleeve and box intussuseption are filled with hydraulic oil.

Further, the buffer mechanism further comprises four first pipe fittings and third pipe fittings, the first pipe fittings are fixedly connected with the corresponding top wall of the box body in a penetrating mode, the third pipe fittings are fixedly connected with the corresponding bottom wall of the box body in a penetrating mode, the first pipe fittings penetrate through the side wall of the base and extend to the outside of the base, the third pipe fittings extend to the bottom wall of the base in a penetrating mode, the functional blocks are fixedly connected with four second pipe fittings in a penetrating mode, the second pipe fittings are fixedly connected with the side wall of the base in a penetrating and sliding mode, and corrugated pipes are fixedly connected between the second pipe fittings and the corresponding first pipe fittings.

Further, the upper surface of the functional block is fixedly connected with a plurality of shock pads, and the upper surface of the shock pads is fixedly connected with a clamp.

Further, be provided with the ejection mechanism who is used for the unloading in the functional block, ejection mechanism is including seting up four cavitys in the functional block, first pipe fitting runs through along to in the cavity that corresponds, sealed sliding sleeve has connected the fourth plate in the cavity, the lateral wall fixedly connected with first rack on one side of corresponding first pipe fitting is kept away from to the fourth plate, anchor clamps diapire runs through sliding connection has four third plates, anchor clamps and functional block run through rotation jointly through the bearing and are connected with four screw thread section of thick bamboo, fixedly connected with torsion spring between screw thread section of thick bamboo and the functional block, screw thread section of thick bamboo threaded connection has first screw rod, first screw rod and the third plate lower surface fixed connection that corresponds, the one end that the screw thread section of thick bamboo is located the cavity that corresponds is connected with first gear through one-way bearing, first gear and the first rack meshing that corresponds.

Further, be provided with the stabilizing mean who is used for keeping stable in the base diapire, stabilizing mean includes four second sliding tray who offers in the base diapire, the sealed slip in the second sliding tray has cup jointed the fifth plate, the roof is connected with the second screw rod through the bearing rotation in the second sliding tray, second screw rod and fifth plate threaded connection, second screw rod interference fit has the second gear, second gear engagement has the second rack, second rack runs through sliding connection with the base and runs through and extend to corresponding in the third pipe fitting, the one end fixedly connected with sixth plate that the second rack is located the third pipe fitting, sixth plate and the sealed slip of third pipe fitting cup joint, base lower surface fixedly connected with four sucking discs.

Further, a plurality of spacing grooves have been seted up to the base inside wall, sliding connection has the stopper in the spacing groove, stopper and bottom plate lateral wall fixed connection jointly, fixedly connected with third spring between stopper and the spacing groove inner wall.

Further, sliding holes are formed in the four side walls of the base, and the first pipe fitting is connected with the side walls of the base in a penetrating and sliding mode through the sliding holes.

Further, the side wall of the second plate, which is positioned at one side outside the first sliding groove, is fixedly connected with a sealing gasket.

The invention has the following advantages:

1. the damping force generated by pressing the hydraulic oil into the box body from the sliding sleeve through the through hole is matched with the springs, so that the impact force is buffered, and compared with the prior art, the impact force buffering effect is better, the impact on the clamp is reduced to the greatest extent, and the clamp deformation is avoided;

2. through the arrangement of the permanent magnet column and the solenoid, the magnetic force of the electromagnet is regulated according to the impact force, so that the opening number of the through holes is controlled, the size of the generated buffering damping force is controlled, the damping force can be automatically regulated according to the impact force, different damping forces are generated according to the impact force, and the base has a good buffering effect when the base is used for coping with impact forces of different sizes;

3. by arranging the ejection mechanism, the workpiece in the clamp can be automatically ejected out when buffering is completed after stamping is completed, so that the difficulty in manually taking out the stamped workpiece in the clamp is avoided, and the labor intensity is greatly reduced;

4. the base is connected with the punch press bed body through the sucker, the sucker is made of rubber soft materials, can absorb certain vibration, avoids the rigid connection vibration from being directly transmitted to the bed body, and protects the machine tool body;

5. in the punching process, the suction force of the suction disc is increased through the impact force, so that the base is better adsorbed with the punch press bed body, and the base is prevented from being shifted due to the impact force.

Drawings

FIG. 1 is a schematic diagram of a fixture base for a numerical control press;

fig. 2 is an enlarged view at a in fig. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

FIG. 4 is an enlarged view at C in FIG. 1;

fig. 5 is an enlarged view of D in fig. 1;

FIG. 6 is a partial cross-sectional view taken at E-E of FIG. 1;

FIG. 7 is a cross-sectional view taken at F-F in FIG. 1;

FIG. 8 is a cross-sectional view taken at G-G of FIG. 1;

FIG. 9 is a top view of a fixture base for a numerical control press according to the present invention;

FIG. 10 is a schematic view of a sliding sleeve in a clamp base for a numerical control press;

fig. 11 is a schematic structural diagram of a functional block and a bottom plate in a fixture base for a numerical control press.

Detailed Description

Referring to fig. 1-11, a clamp base for a numerical control punch comprises a base 1 with an upward concave-shaped opening in cross section, wherein a bottom plate 101 and a functional block 104 are slidably connected to the inner side wall of the base 1, a first spring 105 is fixedly connected between the bottom plate 101 and the functional block 104, a certain buffer is carried out on impact force through the arrangement of the first spring 105, a sliding column 102 is fixedly connected to the lower surface of the functional block 104, the sliding column 102 is in penetrating sliding connection with the bottom plate 101, a first plate 103 is fixedly connected to the lower surface of the sliding column 102, and a buffer mechanism for buffering impact is arranged in the base 1;

the buffer mechanism comprises four hollow box bodies 2, the box bodies 2 are fixedly connected with the inner bottom wall of the base 1, the side walls of the box bodies 2 penetrate through the inner bottom wall of the base 1 and are fixedly connected with a sliding sleeve 201, a piston 202 is sleeved in the sliding sleeve 201 in a sealing sliding manner, the side wall of one side of the piston 202, which is far away from the box bodies 2, is rotationally connected with a first rod 203 through a pin shaft, one end of the first rod 203, which is far away from the piston 202, is rotationally connected with the bottom wall of the first plate 103 through the pin shaft, the side walls of the sliding sleeve 201 are provided with a plurality of through holes 204, in the punching process, the impact force enables the functional block 104 to generate downward impact force through the through holes 204, the functional block 104 drives the first plate 103 to impact downwards through the sliding column 102, the first plate 103 drives the piston 202 to slide inwards of the sliding sleeve 201 through the first rod 203, so that the piston 202 extrudes hydraulic oil into the box bodies 2 through the through holes 204, and the aperture of the through holes 204 is smaller than that of the piston 202, therefore, when the piston 202 moves towards the sliding sleeve 201 to extrude hydraulic oil into the box body 2, a certain damping force is applied, and the impact force is buffered through the cooperation of the damping force and the first spring 105, compared with the buffering effect of the impact force by only buffering through the spring, the impact force buffer has better buffering effect, the side wall of the through hole 204 is provided with the first sliding groove 205, the first sliding groove 205 is internally and hermetically sleeved with the second plate 206, the second plate 206 is made of ferromagnetic materials, the second plate 206 is fixedly connected with the second spring 207 between the corresponding inner side wall of the first sliding groove 205, the four inner side walls of the base 1 are respectively embedded with the electromagnet 208, the lower surface of the functional block 104 is fixedly connected with the four permanent magnet columns 209, the upper surface of the base 101 is fixedly connected with the four spiral coils 210, the spiral coils 210 are electrically connected with the corresponding electromagnet 208 through wires, the sliding sleeve 201 and the box body 2 are filled with hydraulic oil, when the functional block 104 receives the impact force, the permanent magnet column 209 is driven to slide into the solenoid 210, so that the magnetic flux in the solenoid 210 changes, thereby generating induction current in the solenoid 210 and supplying the magnetic force to the electromagnet 208, and the magnitude of the induction current in the solenoid 210 is related to the magnetic flux change speed, namely the downward movement speed of the permanent magnet column 209, which is in positive correlation with the impact force received by the functional block 104, namely the greater the impact force, the faster the movement speed of the permanent magnet column 209, the greater the induction current generated in the solenoid 210, the greater the magnetic force generated by the electromagnet 208, the greater the magnetic force generated by the second plate 206, the greater the distance from the electromagnet 208 is inconsistent, which means that the second plate 206 slides out of the first sliding groove 205, the number of corresponding through holes 204 is greater, thereby reducing the number of through holes 204 through hydraulic oil, so that the impact force received by the piston 202 is greater, the greater the impact force received by the piston 202 is opposite to the greater the lesser the impact force, and the greater the impact force is not applied by the base, and the greater the impact force is not adjusted according to the invention, and the greater the impact force is not equal.

Referring to fig. 1, the buffer mechanism further includes four second pipe members 310 and third pipe members 407, the second pipe members 310 are fixedly connected with the top wall of the corresponding box body 2 in a penetrating manner, the third pipe members 407 are fixedly connected with the bottom wall of the corresponding box body 2 in a penetrating manner, the second pipe members 310 penetrate through the side wall of the base 1 and extend to the outside of the base, the third pipe members 407 penetrate through and extend into the bottom wall of the base 1, the functional blocks 104 are fixedly connected with four first pipe members 308 in a penetrating manner, the first pipe members 308 are fixedly connected with the side wall of the base 1 in a penetrating manner, bellows 309 are fixedly connected between the first pipe members 308 and the corresponding second pipe members 310, and the piston 202 presses hydraulic oil into the box body 2 from the sliding sleeve 201, so that the hydraulic oil in the box body 2 is pumped into the cavity 3 through the first pipe members 308, the second pipe members 310 and the bellows 309, the hydraulic oil in the box body 2 is pumped into the third pipe members 407 to drive the ejection mechanism to operate, and the stabilizing mechanism is driven to operate, so that the energy is driven to the ejection mechanism and the stabilizing mechanism to operate, and the energy is dispersed, so that the impact force is reduced.

The upper surface of the functional block 104 is fixedly connected with a plurality of shock pads 7, the upper surface of the shock pads 7 is fixedly connected with a clamp 106, and the clamp 106 can automatically unclamp a workpiece after stamping is completed, which is the prior art and will not be described herein.

Referring to fig. 1, 3 and 7, an ejection mechanism for blanking is arranged in the functional block 104, the ejection mechanism comprises four cavities 3 arranged in the functional block 104, a first pipe 308 penetrates through the corresponding cavities 3, a fourth plate 307 is sleeved in the cavities 3 in a sealing sliding manner, a first rack 306 is fixedly connected to the side wall of the fourth plate 307, which is far away from the corresponding first pipe 308, a bottom wall of the clamp 106 penetrates through and is slidably connected with four third plates 303, the clamp 106 and the functional block 104 jointly penetrate through and rotationally are connected with four thread cylinders 301 through bearings, torsion springs 304 are fixedly connected between the thread cylinders 301 and the functional block 104, the thread cylinders 301 are in threaded connection with first screws 302, the lower surfaces of the first screws 302 and the corresponding third plates 303 are fixedly connected, one end of each thread cylinder 301, which is positioned in the corresponding cavity 3, is connected with a first gear 305 through a one-way bearing, the arrangement of the one-way bearing enables the fourth plate 307 to drive the first rack 306 to move in the process of moving towards the first gear 305, so that when the first gear 305 rotates, the first gear 305 does not drive the threaded cylinder 301 to rotate, but rather rotates relatively with the first gear 305, and when the fourth plate 307 moves reversely away from the first gear 305, the first rack 306 drives the first gear 305 to rotate at the moment, the threaded cylinder 301 can be driven to rotate, so that the first screw 302 moves upwards, and the workpiece is ejected out through the third plate 303, thereby avoiding the need of manually prying out the workpiece stamped in the clamp 106 after stamping is completed, greatly reducing the labor intensity, and avoiding that when stamping is performed, the fourth plate 307 moves, the third plate 303 moves upwards to affect stamping, and the first gear 305 is meshed with the corresponding first rack 306.

Referring to fig. 1, 4 and 6, a stabilizing mechanism for maintaining stability is arranged in the bottom wall of the base 1, the stabilizing mechanism comprises four second sliding grooves 4 arranged in the bottom wall of the base 1, holes are further formed in the bottom wall of the base 1, the second sliding grooves 4 are communicated with the outside, the holes are positioned above the fifth plate 402, the fifth plate 402 can move up and down freely, the fifth plate 402 is sleeved in the second sliding grooves 4 in a sealing sliding manner, a second screw 403 is rotatably connected to the inner top wall of the second sliding grooves 4 through a bearing, the second screw 403 is in threaded connection with the fifth plate 402, a sealing gasket is arranged at the threaded connection position of the second screw 403 and the fifth plate 402, so that tightness is ensured, the suction effect of the suction cup 401 is prevented from being lower due to air leakage at the threaded connection position, a second gear 404 is in interference fit with the second screw 403, a second rack 405 is meshed with the second gear 404, the second rack 405 is connected with the base 1 in a penetrating and sliding manner and extends into the corresponding third pipe fitting 407 in a penetrating manner, one end of the second rack 405 in the third pipe fitting 407 is fixedly connected with a sixth plate 406, the sixth plate 406 is in sealing and sliding sleeve joint with the third pipe fitting 407, the lower surface of the base 1 is fixedly connected with four suckers 401, the base 1 is connected with a punch press bed body through the suckers 401, compared with the direct rigid connection of the base 1 and the punch press bed body, the suckers 401 are made of soft rubber materials, partial vibration can be absorbed through the suckers 401, vibration is prevented from being directly transmitted to the punch press bed body, the bed body is damaged by impact, meanwhile, the impact force enables the hydraulic oil to be pumped into the third pipe fitting 407, the sixth plate 406 slides, the second gear 404 is driven to rotate through the second rack 405, the fifth plate 402 slides upwards, the negative pressure in the suckers 401 is increased, and the suction force of the suckers 401 is increased, thereby avoiding displacement of the base 1 caused by excessive impact force.

A plurality of spacing grooves 5 have been seted up to base 1 inside wall, and sliding connection has stopper 501 in spacing groove 5, stopper 501 and bottom plate 101 lateral wall fixed connection jointly, fixedly connected with third spring 502 between stopper 501 and the spacing groove 5 inner wall carries out certain buffering through third spring 502, carries out certain spacing through spacing groove 5 and stopper 501 simultaneously, avoids vibrating too big roll-off base 1 to bottom plate 101.

The four side walls of the base 1 are provided with sliding holes 8, and the first pipe fitting 308 is in penetrating sliding connection with the side walls of the base 1 through the sliding holes 8.

The side wall of the second plate 206, which is located at one side outside the first sliding groove 205, is fixedly connected with a sealing pad, and through the arrangement of the sealing pad, when the second plate 206 contacts with the inner side wall of the through hole 204, the through hole 204 can be better sealed.

In the invention, a workpiece to be punched is placed in a clamp 106 and clamped, a punch is started to punch, impact force is transmitted to the clamp 106 in the punching process and is transmitted to a functional block 104 through the bed bottom of the clamp 106, so that the functional block 104 slides downwards, a first spring 105 is compressed, a bottom plate 101 is driven to move downwards together through the first spring 105, a third spring 502 below a limiting block 501 is compressed, a spring above the limiting block 501 is stretched, and the impact force is primarily buffered through the first spring 105 and the third spring 502;

the functional block 104 moves downwards and drives the first plate 103 to move downwards through the sliding column 102, so that the first plate 103 drives the piston 202 to slide into the sliding sleeve 201 through the first rod 203, the piston 202 extrudes hydraulic oil in the sliding sleeve 201 to the box body 2 through the through hole 204, and a certain damping force is applied to the hydraulic oil when the piston 202 extrudes the hydraulic oil into the box body 2 through the through hole 204 because the sum of the apertures of the through holes 204 is smaller than the sectional area of the piston 202, and the damping force is buffered and matched with the first spring 105 and the third spring 502 to buffer the impact force;

the function block 104 moves downwards and simultaneously drives four permanent magnet columns 209 to move downwards, so that the magnetic flux in the spiral coil 210 changes, induction current is generated in the spiral coil 210 and supplied to the electromagnet 208 to generate magnetic force, and the magnitude of the induction current in the spiral coil 210 is related to the magnetic flux change speed of the spiral coil, namely the magnitude of the induction current is related to the downward movement speed of the permanent magnet columns 209, the velocity is in positive correlation with the impact force borne by the function block 104, namely the greater the impact force is, the faster the movement speed of the permanent magnet columns 209 is, the greater the induction current generated in the spiral coil 210 is, the greater the magnetic force generated by the electromagnet 208 is, the greater the magnetic force generated by the second plate 206 is, the inconsistent distance from the electromagnet 208 is caused, the greater the magnetic force generated by the electromagnet 208 is, the greater the second plate 206 slides out of the first sliding groove 205, the corresponding number of through holes 204 is small, the number of the through holes 204 is accordingly small, the impact force borne by the piston 202 slides, the greater the impact force borne by the piston 202 is borne by the piston, and the impact force borne by the base is not regulated, and the impact force is not great, and the impact force is not borne by the same, but the impact force is borne by the base is regulated to be great when the impact force is borne by the invention is not is borne by the impact force is great;

when the piston 202 presses hydraulic oil in the sliding sleeve 201 into the box body 2, the hydraulic oil in the box body 2 enters the third pipe fitting 407, so that the sixth plate 406 slides towards the corresponding second sliding groove 4, the second rack 405 is driven to move, the second gear 404 meshed with the second rack 405 is driven to rotate, the second screw 403 in interference fit with the second rack 405 is driven to rotate, the fifth plate 402 is driven to move upwards through threaded connection, air in the sucker 401 is further sucked into the second sliding groove 4, negative pressure in the sucker 401 is increased, adsorption force is enhanced, and displacement of the base 1 caused by impact force is avoided;

when the piston 202 presses hydraulic oil in the sliding sleeve 201 into the box body 2, the hydraulic oil in the box body 2 is pumped into the cavity 3 through the first pipe 308, the corrugated pipe 309 and the second pipe 310, so that the fourth plate 307 moves, due to the arrangement of the one-way bearing, the first gear 305 does not drive the threaded cylinder 301 to rotate during punching, after the punching is finished, the clamp 106 unclamps a workpiece, meanwhile, the bottom plate 101 and the functional block 104 are reset under the spring force, so that the piston 202 pumps the hydraulic oil pumped into the box body 2 back into the sliding sleeve 201, so that the fourth plate 307 rotates in a direction far away from the first gear 305, at the moment, the first rack 306 drives the first gear 305 to rotate, so that the threaded cylinder 301 rotates, the first screw 302 drives the third plate 303 to move upwards through threaded connection, the punched workpiece is ejected, and after the workpiece is ejected, the workpiece to be processed is taken out, and the workpiece to be processed is put into the workpiece to be processed for punching processing according to the steps.

Claims

1. The utility model provides a fixture base for numerical control punch press, includes base (1) of the concave font of opening up for the cross-section, its characterized in that, base (1) inside wall sliding connection has bottom plate (101), function block (104), fixedly connected with first spring (105) between bottom plate (101) and function block (104), fixedly connected with slide column (102) under function block (104), slide column (102) run through sliding connection with bottom plate (101), fixedly connected with first plate (103) under slide column (102), be provided with the buffer gear who is used for buffering the impact in base (1);

the buffer mechanism comprises four hollow box bodies (2), the box bodies (2) are fixedly connected with the inner bottom wall of the base (1), a sliding sleeve (201) is fixedly connected with the side wall of the box body (2) in a penetrating way, a piston (202) is sleeved in the sliding sleeve (201) in a sealing sliding way, the side wall of one side of the piston (202) far away from the box body (2) is rotationally connected with a first rod piece (203) through a pin shaft, one end of the first rod piece (203) far away from the piston (202) is rotationally connected with the bottom wall of the first plate (103) through a pin shaft, a plurality of through holes (204) are formed in the side wall of the sliding sleeve (201), a first sliding groove (205) is formed in the side wall of the through hole (204), a second plate (206) is hermetically and slidably sleeved in the first sliding groove (205), a second spring (207) is fixedly connected between the second plate (206) and the inner side wall of the corresponding first sliding groove (205), electromagnets (208) are embedded in the four inner side walls of the base (1), four permanent magnet posts (209) are fixedly connected to the lower surface of the functional block (104), four spiral coils (210) are fixedly connected to the upper surface of the bottom plate (101), the solenoid (210) is electrically connected with the corresponding electromagnet (208) through a wire, the sliding sleeve (201) and the box body (2) are filled with hydraulic oil;

the buffer mechanism further comprises four second pipe fittings (310) and third pipe fittings (407), wherein the second pipe fittings (310) are fixedly connected with the top wall of the corresponding box body (2) in a penetrating mode, the third pipe fittings (407) are fixedly connected with the bottom wall of the corresponding box body (2) in a penetrating mode, the second pipe fittings (310) penetrate through the side wall of the base (1) and extend to the outside of the base, the third pipe fittings (407) extend into the bottom wall of the base (1) in a penetrating mode, the functional blocks (104) are fixedly connected with four first pipe fittings (308) in a penetrating mode, the first pipe fittings (308) are fixedly connected with the side wall of the base (1) in a penetrating and sliding mode, and corrugated pipes (309) are fixedly connected between the first pipe fittings (308) and the corresponding second pipe fittings (310);

the device comprises a functional block (104), wherein the upper surface of the functional block is fixedly connected with a plurality of shock pads (7), the upper surface of the shock pads (7) is fixedly connected with a clamp (106), an ejection mechanism for discharging is arranged in the functional block (104), the ejection mechanism comprises four cavities (3) formed in the functional block (104), first pipe fittings (308) penetrate through the corresponding cavities (3), fourth plate members (307) are hermetically and slidingly sleeved in the cavities (3), a first rack (306) is fixedly connected with the side wall of one side, far away from the corresponding first pipe fittings (308), of the fourth plate members (307), four third plate members (303) are fixedly connected with the bottom wall of the clamp (106) in a penetrating and sliding manner, four threaded cylinders (301) are jointly connected with the functional block (104) in a penetrating and rotating manner through bearings, torsion springs (304) are fixedly connected between the threaded cylinders (301) and the functional block (104), first screw rods (302) are in threaded connection with the corresponding first screw rods (302), the first screw rods (302) are in corresponding connection with the corresponding first racks (305), and the corresponding first end (305) are in a one-way meshed mode, and the first end (305) is in correspondence to the corresponding first rack (305);

be provided with in the diapire of base (1) and be used for keeping stable stabilizing mean, stabilizing mean includes four second sliding tray (4) of seting up in the diapire of base (1), fifth plate (402) have been cup jointed in sealed sliding in second sliding tray (4), roof is connected with second screw rod (403) through the bearing rotation in second sliding tray (4), second screw rod (403) and fifth plate (402) threaded connection, second screw rod (403) interference fit has second gear (404), second gear (404) meshing has second rack (405), second rack (405) and base (1) run through sliding connection and run through and extend to corresponding in third pipe (407), one end fixedly connected with sixth plate (406) that second rack (405) are located in third pipe (407), sixth plate (406) and third pipe (407) seal sliding cup joint, surface fixation has four sucking discs (401) under base (1).

2. The fixture base for the numerical control punch as claimed in claim 1 is characterized in that a plurality of limit grooves (5) are formed in the inner side wall of the base (1), limit blocks (501) are connected in a sliding mode in the limit grooves (5), the limit blocks (501) are fixedly connected with the side wall of the bottom plate (101) together, and third springs (502) are fixedly connected between the limit blocks (501) and the inner wall of the limit grooves (5).

3. The fixture base for the numerical control press according to claim 1, wherein sliding holes (8) are formed in four side walls of the base (1), and the first pipe fitting (308) is connected with the side walls of the base (1) in a penetrating and sliding manner through the sliding holes (8).

4. The fixture base for numerical control press according to claim 1, wherein a gasket is fixedly connected to a side wall of the second plate (206) located at one side outside the first sliding groove (205).